Sign clip for a tray



FIG. 1 is a first perspective view showing my new design;

FIG. 2 is a top elevational view thereof;

FIG. 3 is a bottom elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a back elevational view thereof;

FIG. 6 is a right elevational view thereof;

FIG. 7 is a left elevational view thereof; and,

FIG. 8 is a second perspective view showing my new design in its intended use.

The broken lines are for illustrative purposes and form no part of the claimed design. 

CLAIM The ornamental design for a sign clip for a tray, as shown and described. 